* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --black: #0a0a0a;
    --black-light: #1a1a1a;
    --black-medium: #2d2d2d;
    --gold: #c9a96e;
    --gold-light: #d4b87a;
    --gold-dark: #b8944f;
    --gold-gradient: linear-gradient(135deg, #c9a96e 0%, #f0d48a 50%, #c9a96e 100%);
    --white: #ffffff;
    --gray: #888888;
    --gray-light: #cccccc;
    --gray-dark: #444444;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
    line-height: 1.6;
    color: var(--white);
    background: var(--black);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    padding: 15px 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-block;
    text-decoration: none;
}

.logo img {
    height: 80px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--gray-light);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--gold);
    font-size: 24px;
    cursor: pointer;
}

/* Hero区域 */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--black) 0%, var(--black-light) 50%, var(--black) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.1) 0%, transparent 70%);
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 3px;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: 72px;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
    letter-spacing: 10px;
    font-weight: 300;
}

.hero h1 span {
    color: var(--gold);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.4s both;
    letter-spacing: 5px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 16px;
    text-decoration: none;
    border-radius: 0;
    transition: all 0.3s ease;
    cursor: pointer;
    letter-spacing: 2px;
    font-weight: 500;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--black);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 110, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
}

.btn-outline:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-3px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
    padding: 40px 60px;
    background: rgba(201, 169, 110, 0.05);
    border: 1px solid rgba(201, 169, 110, 0.2);
    animation: fadeInUp 1s ease 0.8s both;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 36px;
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 5px;
}

.hero-stat-text {
    font-size: 14px;
    color: var(--gray);
    letter-spacing: 2px;
}

/* 通用区块样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 5px 20px;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: 12px;
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-header h2 {
    font-size: 42px;
    color: var(--white);
    font-weight: 300;
    letter-spacing: 5px;
}

/* 关于我们 */
.about {
    background: var(--black-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    color: var(--gold);
    margin-bottom: 25px;
    font-weight: 400;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-light);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-light);
}

.feature-icon {
    color: var(--gold);
    font-weight: bold;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image-box {
    width: 300px;
    height: 300px;
    border: 2px solid var(--gold);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.about-image-box::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: -15px;
    bottom: -15px;
    border: 1px solid rgba(201, 169, 110, 0.3);
}

.about-image-content {
    text-align: center;
}

.big-number {
    font-size: 80px;
    color: var(--gold);
    font-weight: 700;
    display: block;
    line-height: 1;
}

.big-text {
    font-size: 32px;
    color: var(--gold);
    font-weight: 300;
}

.about-image-content p {
    font-size: 18px;
    color: var(--gray);
    margin-top: 10px;
    letter-spacing: 5px;
}

/* 产品服务 */
.products {
    background: var(--black);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.product-card {
    background: var(--black-light);
    padding: 35px;
    border: 1px solid rgba(201, 169, 110, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card.featured {
    border-color: var(--gold);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 15px;
    background: var(--gold-gradient);
    color: var(--black);
    font-size: 12px;
    font-weight: bold;
}

.product-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.product-card h3 {
    color: var(--gold);
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 1px;
}

.product-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
}

/* 产品图片样式 */
.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    margin-bottom: 20px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(201, 169, 110, 0.2);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-image:hover img {
    transform: scale(1.05);
}

.zoom-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 30px;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: rgba(0, 0, 0, 0.6);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.product-image:hover .zoom-icon {
    opacity: 1;
}

/* Lightbox图片放大弹窗 */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border: 2px solid var(--gold);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: var(--gold);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 3001;
}

.lightbox-close:hover {
    color: var(--white);
}

/* 企业理念 */
.philosophy {
    background: var(--black-light);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.philosophy-card {
    background: var(--black);
    padding: 40px;
    border: 1px solid rgba(201, 169, 110, 0.1);
    transition: all 0.3s ease;
}

.philosophy-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.philosophy-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 25px;
    color: var(--gold);
}

.philosophy-icon svg {
    width: 100%;
    height: 100%;
}

.philosophy-card h3 {
    color: var(--gold);
    margin-bottom: 15px;
    font-size: 22px;
    font-weight: 500;
}

.philosophy-card p {
    color: var(--gray-light);
    font-size: 15px;
    line-height: 1.8;
}

.philosophy-quote {
    text-align: center;
    padding: 50px;
    background: var(--black);
    border: 1px solid rgba(201, 169, 110, 0.2);
    position: relative;
}

.philosophy-quote::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 40px;
    font-size: 80px;
    color: var(--gold);
    opacity: 0.3;
    line-height: 1;
}

.philosophy-quote blockquote {
    font-size: 18px;
    color: var(--gray-light);
    line-height: 1.8;
    font-style: italic;
    max-width: 800px;
    margin: 0 auto 20px;
}

.philosophy-quote cite {
    color: var(--gold);
    font-size: 16px;
    font-style: normal;
    letter-spacing: 3px;
}

/* 联系我们 */
.contact {
    background: var(--black);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.contact-card {
    background: var(--black-light);
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(201, 169, 110, 0.1);
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--gold);
    transform: translateY(-5px);
}

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    color: var(--gold);
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-card h3 {
    color: var(--gold);
    margin-bottom: 10px;
    font-size: 18px;
    font-weight: 500;
}

.contact-card p {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-card span {
    color: var(--gray);
    font-size: 14px;
}

/* 页脚 */
.footer {
    background: var(--black-light);
    color: var(--white);
    padding: 60px 0 20px;
    border-top: 1px solid rgba(201, 169, 110, 0.2);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 18px;
    color: var(--gold);
    font-weight: 500;
}

.footer-section p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid rgba(201, 169, 110, 0.3);
    color: var(--gray-light);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--gold);
    color: var(--gold);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 15px;
}

.footer-section ul a:hover {
    color: var(--gold);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(201, 169, 110, 0.1);
    color: var(--gray);
}

/* 备案信息区域 */
.footer-beian {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(201, 169, 110, 0.15);
    text-align: center;
}

.beian-content p {
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--gray);
}

.beian-content a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.beian-content a:hover {
    color: var(--gold);
}

.beian-divider {
    margin: 0 10px;
    color: var(--gray-dark);
}

.beian-icon {
    vertical-align: middle;
    margin-right: 5px;
    display: inline-block;
}

/* 微信二维码弹窗 */
.wechat-qrcode {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--black-light);
    padding: 30px;
    border: 1px solid var(--gold);
    z-index: 2000;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

.wechat-qrcode.active {
    display: block;
}

.wechat-qrcode img {
    width: auto;
    max-width: 300px;
    height: auto;
    max-height: 500px;
    margin-bottom: 15px;
    object-fit: contain;
}

.wechat-qrcode p {
    color: var(--gold);
    font-size: 14px;
}

.wechat-link {
    cursor: pointer;
}

/* 遮罩层 */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 1999;
}

.overlay.active {
    display: block;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid rgba(201, 169, 110, 0.2);
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: 5px;
    }

    .hero-subtitle {
        font-size: 16px;
        letter-spacing: 3px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 30px;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image-box {
        width: 250px;
        height: 250px;
    }

    .big-number {
        font-size: 60px;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .section-header h2 {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .about-features {
        grid-template-columns: 1fr;
    }
}